303 lines
8.5 KiB
Plaintext
303 lines
8.5 KiB
Plaintext
<?php
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/**
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* @file
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* Install, update and uninstall functions for the taxonomy module.
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*/
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/**
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* Implements hook_uninstall().
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*/
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function taxonomy_uninstall() {
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// Remove variables.
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variable_del('taxonomy_override_selector');
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variable_del('taxonomy_terms_per_page_admin');
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// Remove taxonomy_term bundles.
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$vocabularies = db_query("SELECT machine_name FROM {taxonomy_vocabulary}")->fetchCol();
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foreach ($vocabularies as $vocabulary) {
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field_attach_delete_bundle('taxonomy_term', $vocabulary);
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}
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}
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/**
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* Implements hook_schema().
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*/
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function taxonomy_schema() {
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$schema['taxonomy_term_data'] = array(
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'description' => 'Stores term information.',
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'fields' => array(
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'tid' => array(
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'type' => 'serial',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'description' => 'Primary Key: Unique term ID.',
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),
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'vid' => array(
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'type' => 'int',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'default' => 0,
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'description' => 'The {taxonomy_vocabulary}.vid of the vocabulary to which the term is assigned.',
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),
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'langcode' => array(
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'description' => 'The {language}.langcode of this term.',
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'type' => 'varchar',
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'length' => 12,
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'not null' => TRUE,
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'default' => '',
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),
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'name' => array(
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'type' => 'varchar',
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'length' => 255,
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'not null' => TRUE,
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'default' => '',
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'description' => 'The term name.',
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'translatable' => TRUE,
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),
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'description' => array(
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'type' => 'text',
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'not null' => FALSE,
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'size' => 'big',
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'description' => 'A description of the term.',
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'translatable' => TRUE,
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),
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'format' => array(
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'type' => 'varchar',
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'length' => 255,
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'not null' => FALSE,
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'description' => 'The {filter_format}.format of the description.',
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),
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'weight' => array(
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'description' => 'The weight of this term in relation to other terms.',
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),
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),
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'primary key' => array('tid'),
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'foreign keys' => array(
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'vocabulary' => array(
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'table' => 'taxonomy_vocabulary',
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'columns' => array('vid' => 'vid'),
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),
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),
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'indexes' => array(
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'taxonomy_tree' => array('vid', 'weight', 'name'),
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'vid_name' => array('vid', 'name'),
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'name' => array('name'),
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),
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);
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$schema['taxonomy_term_hierarchy'] = array(
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'description' => 'Stores the hierarchical relationship between terms.',
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'fields' => array(
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'tid' => array(
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'type' => 'int',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'default' => 0,
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'description' => 'Primary Key: The {taxonomy_term_data}.tid of the term.',
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),
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'parent' => array(
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'type' => 'int',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'default' => 0,
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'description' => "Primary Key: The {taxonomy_term_data}.tid of the term's parent. 0 indicates no parent.",
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),
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),
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'indexes' => array(
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'parent' => array('parent'),
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),
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'foreign keys' => array(
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'taxonomy_term_data' => array(
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'table' => 'taxonomy_term_data',
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'columns' => array('tid' => 'tid'),
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),
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),
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'primary key' => array('tid', 'parent'),
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);
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$schema['taxonomy_vocabulary'] = array(
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'description' => 'Stores vocabulary information.',
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'fields' => array(
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'vid' => array(
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'type' => 'serial',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'description' => 'Primary Key: Unique vocabulary ID.',
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),
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'langcode' => array(
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'description' => 'The {language}.langcode of this vocabulary.',
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'type' => 'varchar',
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'length' => 12,
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'not null' => TRUE,
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'default' => '',
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),
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'name' => array(
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'type' => 'varchar',
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'length' => 255,
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'not null' => TRUE,
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'default' => '',
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'description' => 'Name of the vocabulary.',
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'translatable' => TRUE,
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),
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'machine_name' => array(
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'type' => 'varchar',
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'length' => 255,
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'not null' => TRUE,
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'default' => '',
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'description' => 'The vocabulary machine name.',
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),
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'description' => array(
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'type' => 'text',
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'not null' => FALSE,
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'size' => 'big',
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'description' => 'Description of the vocabulary.',
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'translatable' => TRUE,
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),
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'hierarchy' => array(
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'type' => 'int',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'default' => 0,
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'size' => 'tiny',
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'description' => 'The type of hierarchy allowed within the vocabulary. (0 = disabled, 1 = single, 2 = multiple)',
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),
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'weight' => array(
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'description' => 'The weight of this vocabulary in relation to other vocabularies.',
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),
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),
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'primary key' => array('vid'),
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'indexes' => array(
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'list' => array('weight', 'name'),
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),
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'unique keys' => array(
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'machine_name' => array('machine_name'),
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),
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);
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$schema['taxonomy_index'] = array(
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'description' => 'Maintains denormalized information about node/term relationships.',
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'fields' => array(
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'nid' => array(
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'description' => 'The {node}.nid this record tracks.',
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'type' => 'int',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'default' => 0,
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),
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'tid' => array(
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'description' => 'The term ID.',
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'type' => 'int',
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'unsigned' => TRUE,
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'not null' => TRUE,
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'default' => 0,
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),
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'sticky' => array(
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'description' => 'Boolean indicating whether the node is sticky.',
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'type' => 'int',
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'not null' => FALSE,
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'default' => 0,
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'size' => 'tiny',
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),
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'created' => array(
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'description' => 'The Unix timestamp when the node was created.',
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'type' => 'int',
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'not null' => TRUE,
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'default'=> 0,
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),
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),
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'indexes' => array(
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'term_node' => array('tid', 'sticky', 'created'),
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'nid' => array('nid'),
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),
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'foreign keys' => array(
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'tracked_node' => array(
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'table' => 'node',
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'columns' => array('nid' => 'nid'),
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),
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'term' => array(
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'table' => 'taxonomy_term_data',
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'columns' => array('tid' => 'tid'),
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),
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),
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);
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return $schema;
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}
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/**
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* Implements hook_field_schema().
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*/
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function taxonomy_field_schema($field) {
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return array(
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'columns' => array(
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'tid' => array(
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'type' => 'int',
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'unsigned' => TRUE,
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'not null' => FALSE,
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),
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),
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'indexes' => array(
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'tid' => array('tid'),
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),
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'foreign keys' => array(
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'tid' => array(
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'table' => 'taxonomy_term_data',
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'columns' => array('tid' => 'tid'),
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),
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),
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);
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}
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/**
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* Remove the {taxonomy_vocabulary}.module field.
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*/
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function taxonomy_update_8000() {
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db_drop_field('taxonomy_vocabulary', 'module');
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}
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/**
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* Adds langcode field to {taxonomy_term_data} and {taxonomy_vocabulary}.
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*
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* @see http://drupal.org/node/1454538
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*/
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function taxonomy_update_8001() {
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$descriptions = array(
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'taxonomy_term_data' => 'The {language}.langcode of this term.',
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'taxonomy_vocabulary' => 'The {language}.langcode of this vocabulary.',
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);
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foreach ($descriptions as $table => $description) {
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$langcode_field = array(
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'description' => $description,
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'type' => 'varchar',
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'length' => 12,
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'not null' => TRUE,
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'default' => '',
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);
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// If a Drupal 7 contrib module already added a langcode field to support
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// internationalization, keep it, but standardize the specification.
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// Otherwise, add the field.
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if (db_field_exists($table, 'langcode')) {
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// According to the documentation of db_change_field(), indeces using the
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// field should be dropped first; if the contrib module created any
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// indeces, it is its responsibility to drop them in an update function
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// that runs before this one, which it can enforce via
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// hook_update_dependencies().
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db_change_field($table, 'langcode', 'langcode', $langcode_field);
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}
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else {
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// When updating from a site that did not already have taxonomy
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// internationalization, initialize all existing vocabularies and terms as
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// being in the site's default language.
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$langcode_field['initial'] = language_default()->langcode;
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db_add_field($table, 'langcode', $langcode_field);
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}
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}
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}
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